158 lines
4.0 KiB
Perl
158 lines
4.0 KiB
Perl
##@file
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# Sympa autologin
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##@class
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# Sympa autologin
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#
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# Build Sympa cookie and send it to Sympa
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package Lemonldap::NG::Handler::SympaAutoLogin;
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use strict;
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use Lemonldap::NG::Handler::SharedConf qw(:all);
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use base qw(Lemonldap::NG::Handler::SharedConf);
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use Digest::MD5;
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our $VERSION = '1.0.0';
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# Shared variables
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our ( $sympaSecret, $sympaMailKey );
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## @imethod protected void defaultValuesInit(hashRef args)
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# Overload defaultValuesInit
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# @param $args reference to the configuration hash
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sub defaultValuesInit {
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my ( $class, $args ) = splice @_;
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# Sympa secret should be in configuration
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$sympaSecret = $args->{'sympaSecret'} || $sympaSecret;
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# If not, try to read it from /etc/lemonldap-ng/sympa.secret
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if ( !$sympaSecret and -r '/etc/lemonldap-ng/sympa.secret' ) {
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open S, '/etc/lemonldap-ng/sympa.secret'
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or die("Unable to open /etc/lemonldap-ng/sympa.secret");
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$sympaSecret = join( '', <S> );
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close S;
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$sympaSecret =~ s/[\r\n]//g;
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}
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# Sympa mail key
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$sympaMailKey = $args->{'sympaMailKey'} || $sympaMailKey || "mail";
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# Display found values in debug mode
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$class->lmLog( "sympaSecret: $sympaSecret", 'debug' );
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$class->lmLog( "sympaMailKey: $sympaMailKey", 'debug' );
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# Delete Sympa parameters
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delete $args->{'sympaSecret'};
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delete $args->{'sympaMailKey'};
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# Call main subroutine
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return $class->SUPER::defaultValuesInit($args);
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}
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## @rmethod Apache2::Const run(Apache2::RequestRec r)
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# Overload main run method
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# @param r Current request
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# @return Apache2::Const value (OK, FORBIDDEN, REDIRECT or SERVER_ERROR)
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sub run {
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my $class = shift;
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my $r = $_[0];
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my $ret = $class->SUPER::run(@_);
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# Continue only if user is authorized
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return $ret unless ( $ret == OK );
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# Fail if no sympaSecret
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return $class->abort("No Sympa secret configured")
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unless ($sympaSecret);
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# Mail value
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my $mail = $datas->{$sympaMailKey};
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# Building Sympa cookie
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my $tmp = new Digest::MD5;
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$tmp->reset;
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$tmp->add( $mail . $sympaSecret );
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my $str = "sympauser=$mail:" . substr( unpack( "H*", $tmp->digest ), -8 );
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# Get cookie header, removing Sympa cookie if exists (avoid security
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# problems) and set the new value
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$tmp = lmHeaderIn( $r, 'Cookie' );
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$tmp =~ s/\bsympauser=[^,;]*[,;]?//;
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$tmp .= $tmp ? ";$str" : $str;
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lmSetHeaderIn( $r, 'Cookie' => $tmp );
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# Return SUPER::run() result
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return $ret;
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}
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1;
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__END__
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=head1 NAME
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=encoding utf8
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Lemonldap::NG::Handler::SympaAutoLogin - Perl extension to generate Sympa cookie
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for users authenticated by LemonLDAP::NG
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=head1 SYNOPSIS
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package My::Sympa;
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use Lemonldap::NG::Handler::SympaAutoLogin;
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@ISA = qw(Lemonldap::NG::Handler::SympaAutoLogin);
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__PACKAGE__->init ( {
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# Sympa parameters
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sympaSecret => 'XXXX',
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sympaMailKey => 'mail',
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# See Lemonldap::NG::Handler for more
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} );
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1;
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=head1 DESCRIPTION
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Lemonldap::NG::Handler::SympaAutoLogin is a special Lemonldap::NG handler that
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generates Sympa cookie for authenticated users. Use it instead of classic
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Lemonldap::NG::Handler to protect your Sympa web server. You have to set the
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configuration key containing user email (parameter sympaMailKey) and to
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store Sympa secret (cookie parameter on Sympa configuration file) in the
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corresponding configuration parameter (sympaSecret)
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Edit you Sympa vhost configuration like this:
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<VirtualHost *>
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ServerName sympa.example.com
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# Load Sympa Handler
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PerlRequire __HANDLERDIR__/MyHandlerSympa.pm
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PerlHeaderParserHandler My::Sympa
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</VirtualHost>
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=head2 EXPORT
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See L<Lemonldap::NG::Handler>
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=head1 SEE ALSO
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L<Lemonldap::NG::Handler>
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=head1 AUTHOR
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Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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Clement Oudot, E<lt>clement@oodo.netE<gt>
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=head1 COPYRIGHT AND LICENSE
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Copyright (C) 2009, 2010 by Xavier Guimard
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.10.0 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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